Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

Watch the newest land on the planet form before your eyes.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

A classic roadside attraction on Vermont's historic Route 5.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

A geological mystery on Camelback Mountain.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

One of the most unusual geological features, recognizable from a dozen hit movies.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Haunting and beautiful trees, doomed to die.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A beautiful geyser under environmental threat.